Home / 20,605.64-30,908.46-5,023.27

Finding the Fourth Proportional to 20,605.64, 30,908.46 and 5,023.27

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Solution

The fourth proportional to 20,605.64, 30,908.46 and 5,023.27 is: 7,534.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605.64 : 30,908.46 = 5,023.27 : x
  2. Step 2: Convert to fraction form
    20,605.64/30,908.46 = 5,023.27/x
  3. Step 3: Cross multiply
    20,605.64x = 30,908.46 × 5,023.27
  4. Step 4: Simplify right side
    20,605.64x = 155,261,409.35
  5. Step 5: Solve for x
    x = 155,261,409.35/20,605.64
  6. Step 6: Final answer
    x = 7,534.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.